In a large pan saute onions in some olive oil for 5 minutes. Add minced beef and cook for 10 minutes more or until brown. Drain excess liquid. Season the meat with salt, pepper, chili, oregano, cumin and paprika, cook for 1 minute, then add tomato paste and cook for 1 minute more.
500 g 1 pound ground beef, 1 teaspoon dry oregano, 1 teaspoon chili flakes, 1 teaspoon paprika, 1 teaspoon ground cumin, ½ onion, 2 tablespoon tomato paste, 2 garlic cloves